(19)

(11)

EP 2 606 662 A1

(12)

(43) Date of publication: 26.06.2013 Bulletin 2013/26 (21) Application number: 12824371.4 (22) Date of filing: 10.08.2012

(51) International Patent Classification (IPC):  H04W 4/06(2009.01) (86) International application number: PCT/CN2012/079981 (87) International publication number: WO 2013/023558 (21.02.2013 Gazette 2013/08)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR (30) Priority: 12.08.2011 US 201161523171 P 09.08.2012 US 201213571336 (71) Applicant: MediaTek Inc. Taiwan 300 (TW)	(72) Inventor: HSU, Chia-Chun Taipei City Taiwan 106 (TW) (74) Representative: Habermann, Hruschka & Schnabel  Montgelasstrasse 2 81679 Munich 81679 Munich (DE)